My first PCB design, featuring a simple resistor divider circuit with a lot of resistors and a lot of comparators. As the voltage is adjusted on the potentiometer, more LEDs turn on.
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Updated
Apr 20, 2026
My first PCB design, featuring a simple resistor divider circuit with a lot of resistors and a lot of comparators. As the voltage is adjusted on the potentiometer, more LEDs turn on.
Practical guides on sourcing electronics & IoT hardware from China — by China Sourcing Agent (china-sourcing-agents.com)
Free PCB BOM template for electronics engineers — SMT, THT, turnkey assembly
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